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How to maintain CNC machining CNC machine tools
Time:2017/12/30 11:44:12  Browse:

CNC machining CNC machine tool preventive maintenance is the key to strengthening routine maintenance, the main maintenance work has the following contents: Japan, the week inspection, monthly inspection, quarterly inspection, semi-annual inspection. CNC machining CNC machine preventive maintenance as follows:

1. CNC machining CNC machine tools for the day

The main items include hydraulic system, spindle lubrication system, guideway lubrication system, cooling system, pneumatic system. Daily inspection is based on the normal situation of the system to be tested. For example, when performing the spindle lubrication system process check, the power light should be on and the hydraulic pump should be running normally. If the power light is off, keep the spindle stopped and contact the mechanical engineer. Repair.

2. CNC machining CNC machine tools Zhou inspection

The main items include machine tool parts, spindle lubrication system, which should be checked weekly, especially for machine parts to remove iron filings, external debris cleaning.

3. CNC machining monthly inspection of CNC machine tools

Mainly on the power and air dryer in the inspection. Under normal conditions, the power supply voltage is 180V-220V and the frequency is 50Hz. If abnormal, measure and adjust the voltage. The air dryer should be demolished once a month, then cleaned and assembled.

4. CNC machining CNC machine tools quarterly seizure

Quarterly inspection should be mainly from the machine bed, hydraulic system, spindle lubrication system for inspection in three areas. For example, the machine bed inspection, mainly to see the machine accuracy, machine level is in line with the manual requirements, if you have any questions, you should immediately contact with mechanical engineers. Check the hydraulic system and the spindle lubrication system, if there is a problem, should be new oil 6oL and 20L, respectively, and cleaning.

5. CNC machining semi-annual inspection of CNC machine tools

Six months later, the hydraulic system of the machine tool, the spindle lubrication system and the X-axis should be checked. If there is a problem, the new oil should be replaced and the cleaning work performed. After fully understanding and mastering the knowledge of preventive maintenance, we must also have a deeper understanding and necessary mastery of the causes and handling of abnormalities in the hydraulic system. Such as when the pump is not injected, the pressure is not normal, there is noise and other phenomena, you should know what are the main reasons, what is the corresponding solution.

The reasons for the abnormal phenomenon of the hydraulic system and handling, mainly from three aspects to understand:

(1) Pump does not inject oil The main reason may be low level in the fuel tank, pump reversal, speed is too low, the oil viscosity is too high, the oil temperature is low, the filter is clogged, suction pipe piping volume is too large, suction inlet People air, shaft and rotor damage, etc., for the main reason there is a corresponding solution, such as filling the oil, confirm signs, when the pump reverses when changing over.

(2) pressure is not normal that is, the pressure is too high or too low. The main reason is also multifaceted, such as inappropriate pressure settings, pressure regulator valve coil is not working properly, the pressure gauge is not normal, the hydraulic system leaks and so on. The corresponding solution is to open the pressure set according to the provisions of cleaning, for a normal pressure gauge, followed by the system checks and so on.

(3) noisy noise is mainly generated by the pump and valve. When the valve is noisy, the reason is that the flow exceeds the rated standard, the flow should be properly adjusted; when the pump is noisy, the reason and its corresponding solutions are manifold, such as high viscosity oil, low oil temperature, the solution For the oil temperature; oil bubbles, the system should be released in the air and so on.

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